Issue 35, 2021

Synthesis of monodispersed VO2@Au core–semishell submicroparticles and their switchable optical properties

Abstract

Monodispersed VO2 core/Au semishell submicroparticles have been synthesized and optically characterized. Compared to standard noble metal particles, these VO2@Au core–semishell structures exhibit additional reversible and tunable localized surface plasmon resonance (LSPR) under external temperature modulation. The LSPR peak shifts from 755 nm to 546 nm when the temperature changes from 25 °C to 90 °C. Such a large and reversible shift (more than 200 nanometers in wavelength) can be attributed to the unique semiconductor–metal transition (SMT) of the VO2 material.

Graphical abstract: Synthesis of monodispersed VO2@Au core–semishell submicroparticles and their switchable optical properties

Supplementary files

Article information

Article type
Communication
Submitted
25 mar 2021
Accepted
26 mai 2021
First published
26 mai 2021

J. Mater. Chem. C, 2021,9, 11669-11673

Synthesis of monodispersed VO2@Au core–semishell submicroparticles and their switchable optical properties

J. Zhu, R. Huang, M. Ji, G. Su, P. Zhan and Z. Lu, J. Mater. Chem. C, 2021, 9, 11669 DOI: 10.1039/D1TC01379C

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